A solution of concentrated sodium chloride (brine) is electrolyzed using graphite electrodes. a) Give the formulas of all the ions present in the sodium chloride solution ( 2 marks) b) Write an equation for the reaction at the cathode ( 2 marks) c) Is the reaction in (b) reduction or oxidation? Give a reason for your answer. (2 marks) D)Which ions remain in the solution unaffected during electrolysis? (2 marks)

A solution of concentrated sodium chloride (brine) is electrolyzed usi

1.	A solution of concentrated sodium chloride (brine) is electrolyzed using graphite electrodes. a) Give the formulas of all the ions present in the sodium chloride solution ( 2 marks) b) Write an equation for the reaction at the cathode ( 2 marks) c) Is the reaction in (b) reduction or oxidation? Give a reason for your answer. (2 marks) D)Which ions remain in the solution unaffected during electrolysis? (2 marks)
Answer» B WRITE an EQUATION for the